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April 6, 2011

DNX408 Gearbox Input ‘Snapring’ install procedure

Filed under: News,Tricks and Tips — Tags: , — Stuart @ 5:57 pm
408snapring-walkthru1 150wideTTT
Some drivers have had problems installing the ‘snapring’ that holds the input-shaft assemblies / bearings in place on the DNX408.  The snapring can easily ping into oblivion or the alloy gear bearing tube can be scratched if you don’t take care.

Place the snapring around the input shaft with the open ends inside the groove on the neck next to the bearing. Using some needle-nose pliars or similar, place one of the jaws on the centre outside edge of the snapring – and place the other jaw on the shoulder of the input shaft on the opposite side.  If you aren’t aligned perfectly you risk the snapring twisting off and springing across the room.

Installing the snapring: 408snapring-walkthru2x

Apply pressure slowly so you can ensure the snapring is moving into the groove and not sliding off at an angle.   With the snapring pushed all the way onto the input shaft make sure that it’s seated properly inside the groove by pushing the centre section toward the bearing.

The completed assembly: 408snapring-walkthru4

Removing the Snapring:
To remove the snapring for later disassembly or cleaning purposes you need to align the centre of the snap ring with the small recess on the input shaft.  This will allow you to use a small flat-bladed screw driver to lever the snapring out of position.  It could be wise to perform this action with a clear plastic bag around the assembly to prevent the snapring being lost.

408snapring-walkthru5

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